Permafrost usually hits the news as a hazard; a planetary risk. But another consequence of permafrost thaw receives far less attention: as the climate warms, we are losing our frozen heritage. Permafrost usually hits the news as a hazard; a planetary risk. When this ice-rich ground thaws, it damages roads and building foundations. It drains lakes and tips trees into drunken forests. It releases greenhouse gases that have been locked in car... [5662 chars]